SPEEDLINK Wired USB (Universal Serial Bus) Scelus 3200DPI Optical Gaming Mouse, 1.8m, Black/ Red Increase your chances of victory by 100% thanks to the Scelus�s killer feature: dual scroll wheels, the mouse also unites technology plus comfort & ease of use Outstanding Ergonomic Comfor, Sensor: Optical, Resolution: 3200DPI, Eight Programmable Buttons, Dual, Fully Configurable Scroll Wheel, Profile Switch On-board Internal Memory for Profiles & Macros, Flexible, sheathed 1.8m USB (Universal Serial Bus) cable, 64-Colours for Experience Enhancing Scroll Wheel Illumination